<style>body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f7f7f7;
}

header {
    display: flex;
    justify-content: flex-start;
    align-items: center;
    padding: 20px 40px;
    background-color: #2c3e50;
    color: white;
}

.dropdown {
    position: relative;
    display: inline-block;
    margin-right: 20px;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #f9f9f9;
    min-width: 160px;
    box-shadow: 0px 8px 16px 0px rgba(0, 0, 0, 0.2);
    z-index: 1;
}

.dropdown-content a {
    color: black;
    padding: 12px 16px;
    text-decoration: none;
    display: block;
}

.dropdown-content a:hover {
    background-color: #f1f1f1
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown:hover .dropdown-link {
    text-decoration: underline;
}

.dropdown-link {
    color: white;
    text-decoration: none;
    cursor: pointer;
}

.carousel-container {
    position: relative;
    width: 40%;
    /* 视频播放区域占body宽度的40% */
    overflow: hidden;
    margin: 0 auto;
    /* 水平居中轮播容器 */
}

.carousel-slide {
    display: flex;
    width: 100%;
}

.carousel-item {
    /* 使用padding-top来保持16:9的宽高比 */
    padding-top: 56.25%;
    /* 9 / 16 = 0.5625 * 100% */
    position: relative;
    width: 100%;
    /* 轮播项的宽度为轮播容器的100% */
    box-sizing: border-box;
    min-width: 100%;
    flex: 1;
}

.carousel-item iframe,
.carousel-item img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: block;
}

.carousel-info {
    position: absolute;
    bottom: 10px;
    right: 10px;
    background: rgba(0, 0, 0, 0.5);
    color: #fff;
    padding: 5px;
    border-radius: 5px;
    font-size: 14px;
    z-index: 100;
}

.arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.5);
    ;
    border: none;
    cursor: pointer;
    font-size: 24px;
    color: #fff;
    z-index: 100;
}

.left {
    left: 10px;
}

.right {
    right: 10px;
}



.table-container {
    width: 100%;
    max-width: 1200px;
    /* Adjust this value to your desired maximum width */
    margin: 0 auto;
    padding: 20px;
    box-sizing: border-box;
}

.table-container table {
    width: 100%;
    border-collapse: collapse;
}

.table-container table,
.table-container th,
.table-container td {
    border: 1px solid #ccc;
    padding: 10px;
    text-align: left;
}

.table-container th {
    background-color: #f9f9f9;
}

.table-container tr:nth-child(even) {
    background-color: #f2f2f2;
}

.table-container tr:hover {
    background-color: #ddd;
}

</style>